ref: 95aa7eb86bc157c28e419968bddc397a3d5117c2
dir: /examples/read+write.orca/
......................................... .#.READ.WRITE.#.......................... ......................................... ......................................... ......................................... ......C4.........C2..........C4.......... ......10O1230...014Q1234.....14T1230..... ........1.......12345678.......1......... ......................................... ......................................... ......C4.C4......C2..........C4.C4....... ......10X1......014G1234.....14P1........ ........1230.......1234........1230...... ...................1234.................. ......................................... ......................................... .........................................